<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
    .divl{
		width:700px;
		height:200px;
		background-color:#00F;
		float:left;
		margin-bottom:10px;
	}
	.divj{
		width:190px;
		height:200px;
		background-color:#0F0;
		float:left;
		margin-bottom:20px;
		margin-right:10px;
	}
	.divq{
		width:300px;
		height:200px;
		background-color:#FF0;
		float:left;
		margin-bottom:10px;
		margin-right:10px;
	}
	.divf{
		width:190px;
		height:200px;
		background-color:#C96;
		float:left;
		margin-bottom:20px
	}
	.diva{
		width:700px;
		height:200px;
		background-color:#0FF;
		clear:both;
	}
	#mare{
		width:700px;
		margin:0 auto
	}
</style>
</head>

<body>
<div id="mare">
   <div class="divl">不动</div>
   <div class="divj">左移</div>
   <div class="divq">居中</div>
   <div class="divf">右移</div>
   <div class="diva">底部</div>
</div>
</body>
</html>
